/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.grails.cli.compiler.autoconfigure;

import groovy.lang.GroovyClassLoader;
import org.codehaus.groovy.ast.AnnotationNode;
import org.codehaus.groovy.ast.ClassHelper;
import org.codehaus.groovy.ast.ClassNode;
import org.codehaus.groovy.ast.expr.ClassExpression;
import org.codehaus.groovy.classgen.GeneratorContext;
import org.codehaus.groovy.control.CompilationFailedException;
import org.codehaus.groovy.control.SourceUnit;
import org.codehaus.groovy.control.customizers.ImportCustomizer;

import org.grails.cli.compiler.AstUtils;
import org.grails.cli.compiler.CompilerAutoConfiguration;
import org.grails.cli.compiler.DependencyCustomizer;
import org.grails.cli.compiler.GroovyCompilerConfiguration;

/**
 * {@link CompilerAutoConfiguration} for Spring Test.
 *
 * @author Dave Syer
 * @since 1.1.0
 */
public class SpringTestCompilerAutoConfiguration extends CompilerAutoConfiguration {

    @Override
    public boolean matches(ClassNode classNode) {
        return AstUtils.hasAtLeastOneAnnotation(classNode, "SpringBootTest");
    }

    @Override
    public void applyDependencies(DependencyCustomizer dependencies) {
        dependencies.ifAnyMissingClasses("org.springframework.http.HttpHeaders").add("spring-boot-starter-web");
    }

    @Override
    public void apply(GroovyClassLoader loader, GroovyCompilerConfiguration configuration,
            GeneratorContext generatorContext, SourceUnit source, ClassNode classNode)
            throws CompilationFailedException {
        if (!AstUtils.hasAtLeastOneAnnotation(classNode, "RunWith")) {
            AnnotationNode runWith = new AnnotationNode(ClassHelper.make("RunWith"));
            runWith.addMember("value", new ClassExpression(ClassHelper.make("SpringRunner")));
            classNode.addAnnotation(runWith);
        }
    }

    @Override
    public void applyImports(ImportCustomizer imports) throws CompilationFailedException {
        imports
            .addStarImports("org.junit.runner", "org.springframework.boot.test",
                    "org.springframework.boot.test.context", "org.springframework.boot.test.web.client",
                    "org.springframework.http", "org.springframework.test.context.junit4",
                    "org.springframework.test.annotation")
            .addImports("org.springframework.boot.test.context.SpringBootTest.WebEnvironment",
                    "org.springframework.boot.test.web.client.TestRestTemplate");
    }

}
